1、西北工業(yè)大學(xué)碩士學(xué)位論文飛機結(jié)構(gòu)的抗鳥撞設(shè)計與分析姓名：龔倫申請學(xué)位級別：碩士專業(yè)：飛行器設(shè)計指導(dǎo)教師：萬小朋20070301西北工業(yè)大學(xué)碩士學(xué)位論文AbstmnAbstractBirdimpactisoneofflightaccidents，anditisparoxysmalanduniversalHolewillbefoundonairplanesurfacewhenimpactisslight，howevercrashwillha

2、ppenwhentheimpactisseriousAnti—impactisoneoffactorswhendesigninganairplaneARJ21isunderdesigningandmanufacturinginourcountry，andwewillcontinuetheresearchofbigairplaneforciviiandmilitaryuse，inordertopassthestrictnavigabili

3、tyvalidations。Anti—birdimpactanalysiscanreducethecostofexperimentsandimprovethedesignefficiencyAnti—birdimpactsimulationanalysisresearchisdoneinthispaperbasedontheaboredescription，Becauseofthecomplicatedprocess，experienc

4、eandexperimentarethemainmethodsinbirdimpact，advancedsoftwareisadoptedtosimulatetheprocessofbirdimpactwiththedevelopmentofnumericalanalysisInthispaper，threemethodsarediscussedandcompared，numericalanalysismethodisselecteda

5、sthemethodatlast：Inthesecondparagraph，thebasicprincipleandnumericalmethodsaresummarizedaboutbirdimpact：inordertoverifythevalidityofANSYS／LSDYNA，differentmethodsareusedtovalidatetheaccuracyofthemethodinthethirdparagraph；t

6、healuminumplateintheexperimentforbirdmaterialmodelisanalyzedonsizeandattendedmodewithexperimentmachine，andthefinalresultisgiyenbasedODtheanalysis：foreheadofairplanewithtitled—plateisanalyzedabouttheperformanceofanti—bird

7、impact，somesuggestionsaregivenatlastinthefifthparagraphPreresearchofanti—birdimpactisdoneinthispaper，someresultsareexpectedtoadoptduringtheresearchinbigairplanedesignKeywords：birdimpactnumericalsimulationandanalysisnanal